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Posted by Stephanie on October 30, 2023

In the world of warehousing and storage facilities, pallet racks play a pivotal role in efficiently organizing and storing goods. These racks often support multiple tons of pallets, making their stability and proper installation of utmost importance. Ensuring that your pallet racks are securely anchored to the floor is not just a matter of convenience; it’s a vital safety requirement. In this article, we’ll explore the essential steps and guidelines for anchoring pallet racks to keep them upright and secure.

Why Pallet Racks Must Be Anchored

Pallet Racking with End of Row Guards

Workplace Safety Requirements

The importance of anchoring pallet racks must be stressed more. It’s not just a best practice; it’s a mandatory workplace safety requirement. The Rack Manufacturers Institute (RMI) and the Occupational Safety and Health Administration (OSHA) have weighed in on this issue. Their regulations and guidelines emphasize the necessity of adequately anchoring pallet racks to ensure the safety of personnel and the integrity of the storage system.

OSHA Citations and Consequences

Failure to adhere to pallet rack anchoring standards can have serious consequences, including OSHA citations. While OSHA doesn’t have specific regulations for pallet rack anchoring, it enforces general rules related to material handling and storage. These rules stipulate that the storage of materials should not create hazards in the workplace. Improperly anchored pallet racks can pose significant hazards, leading to citations and potential fines.

Pallet Rack Anchoring Guidelines

Pallet Racking

Rack Manufacturers Institute (RMI) Standards

The RMI has been at the forefront of setting safety standards for industrial racking and material handling. Their guidelines, vetted and approved by the American National Standards Institute (ANSI), provide clear instructions on anchoring pallet racks. According to these standards, every pallet rack column must be anchored to the floor, ensuring stability and safety.

American National Standards Institute (ANSI) Approval

The ANSI-approved standards from RMI serve as a comprehensive guide for pallet rack anchoring. These standards require that each column of a pallet rack must have a baseplate or footplate, and these footplates must be securely fastened with approved anchor bolts. This robust anchoring system ensures that pallet racks can withstand external forces such as forklift collisions and even seismic activity without the risk of toppling over.

Considerations Before Anchoring

Pallet Racking

Floor Type: Concrete Is King

Regarding anchoring pallet racks, the type of flooring in your warehouse matters significantly. Concrete is the preferred choice for industrial flooring due to its exceptional strength. It can securely anchor pallet racks that bear heavy loads. In contrast, flooring options like linoleum, vinyl composition tile, and epoxy may not provide the required sturdiness. Therefore, most industrial warehouses opt for concrete floors. However, if your facility has a different type of flooring, consult with a material handling expert before attempting to install racks.

Do Your Level Best

Before driving the anchors, it’s crucial to ensure that the pallet rack is perfectly level. Anchors provide a firm grip once installed, making it challenging to reposition the rack. A level rack not only ensures proper anchoring but also contributes to its overall performance and safety.

Two Footplate Holes, One Anchor

Pallet rack footplates are the sole connection between the rack and the floor. Each standard footplate typically includes two anchor holes. While it might seem logical to use two anchors per footplate, this is only sometimes necessary. The presence of two holes offers flexibility, especially when encountering obstacles like rebar on the concrete floor. In some cases, driving two anchors into a single standard baseplate can stress the concrete between the two anchors, potentially causing cracks. Additionally, more oversized non-standard footplates may have more than two anchor holes, requiring careful consideration based on manufacturer recommendations and professional guidance.

Types of Pallet Rack Anchors

4 Pallet-Deep Push Back Racking System

Wedge Anchors

Wedge anchors are a popular choice for anchoring pallet racks, particularly on solid concrete surfaces. These anchors are designed to provide a secure and stable hold. The installation process involves several steps:

  1. Select a drill bit: Choose a drill bit with the same diameter as the anchor.
  2. Clean the hole: Use a brush or compressed air to remove any debris from the hole.
  3. Prepare the anchor: Place a washer and nut on the bolt before inserting the wedge anchor.
  4. Insert the anchor: Place the wedge anchor into the drilled hole through the desired anchor hole in your footplate.
  5. Hammer the anchor: Hammer the wedge anchor into the hole until it reaches the desired depth.
  6. Tighten the nut: Using the appropriate tools, tighten the nut to secure the anchor in place. Be cautious not to over-torque it.

Strike Anchors

Strike anchors are another commonly used pallet rack anchor designed for applications in solid concrete. The installation process for strike anchors is similar to that of wedge anchors:

  1. Drill a hole: Use a drill bit that matches the diameter of the strike anchor.
  2. Clear debris: Ensure the hole is debris-free using compressed air or a wire brush.
  3. Prepare the anchor: Place the nut and washer onto the bolt.
  4. Thread the anchor: Thread the anchor through the baseplate hole and into the hole in the floor.
  5. Set the pin: Hammer the head of the set pin until it is perfectly flush with the top of the anchor bolt.

Selecting the Right Pallet Rack Anchor Size

Choosing the correct anchor size is critical and requires careful consideration. You cannot rely on personal preference when selecting the size of pallet rack anchors. Several factors must be considered, including the anchor’s compatibility with baseplate anchor holes, the size of your pallet rack, and the depth of the concrete slab. Here are some general guidelines:

For a standard baseplate, the most common anchor diameter is 1/2 inch, and the length can range from 2.75 to 6 inches. It’s essential to consult manufacturer recommendations and consider the depth of the concrete slab, which typically goes around 6 inches in industrial settings.


In conclusion, properly anchoring pallet racks is not just a best practice; it’s a mandatory safety requirement. Failing to comply with pallet rack anchoring standards can lead to citations and jeopardize the safety of your warehouse or distribution center. Understanding the guidelines, considering critical factors, and selecting the appropriate anchors are essential steps in ensuring the stability and safety of your pallet rack storage system. If you are unsure about any aspect of pallet rack anchoring, feel free to seek professional guidance and assistance. Safety should always be a top priority in warehouse operations.

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